Osisko Development Announces Annual Grant of Incentive Awards

NYSE | TSXV: ODV NEWS RELEASE

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OSISKO DEVELOPMENT ANNOUNCES ANNUAL GRANT OF INCENTIVE AWARDS

Montreal, Québec, July 5, 2024 – Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko

Development" or the "Company") announces that effective July 4, 2024 , as part of its annual

compensation review, the Board of Directors of the Company has approved the grant of an aggregate

of 2,797,400 incentive stock options (the "Options") and an aggregate of 371,800 restricted share units

("RSUs") to certain senior officers of the Company (together, the " Equity Incentive Awards "), in

accordance with the terms of the Company's Option and RSU plans, as applicable.

The Equity Incentive Awards constitute the annual equity-based compensation grants of the Company,

consistent with its regular annual compensation cycle. The Options are exercisable at a price of C$2.72

per share of the Company (based on the closing price of July 3, 2024) and will expire on July 4, 2029.

Vesting of Options will occur in three equal parts on the following dates: July 4, 2025, July 4, 2026, and

July 4, 2027, respectively. The RSUs will cliff vest on July 4, 2027.

ABOUT OSISKO DEVELOPMENT CORP.

Osisko Development Corp. is a North American gold development company focused on past -producing

mining camps located in mining friendly jurisdictions with district scale potential. The Company 's

objective is to become an intermediate gold producer by advancing its 100% -owned Cariboo Gold

Project, located in central B .C., Canada, the Tintic Project in the historic East Tintic mining district in

Utah, U.S.A., and the San Antonio Gold Project in Sonora, Mexico. In addition to considerable brownfield

exploration potential of these prop erties, that benefit from significant historical mining data, existing

infrastructure and access to skilled labour, the Company 's project pipeline is complemented by other

prospective exploration properties. The Company 's strategy is to develop attractive, long -life, socially

and environmentally sustainable mining assets, while minimizing exposure to development risk and

growing mineral resources.

For further information, visit our website at www.osiskodev.com or contact:

Sean Roosen Philip Rabenok

Chairman and CEO Director, Investor Relations

Email: [email protected] Email: [email protected]

Tel: +1 (514) 940-0685 Tel: +1 (437) 423-3644

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the

TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release. No stock exchange,

securities commission or other regulatory authority has approved or disapproved the information contained herein.